Oracle Fusion Technical: Reports, Data, Integrations and Extensions · Module 9 · Migration strategy and reconciliation
Trial loads and the rehearsal nobody schedules
Lesson 93 of 177 · 2 min
A migration rehearsed once in a REAL environment costs a day and saves a weekend. Nobody schedules it, and every project that skipped it can tell you what it cost. What to rehearse. The full sequence, in order, with the real files and the real volumes: extract, transform, load each object, reconcile. And time every step — the number you need from a rehearsal is how long the freeze takes, and it is not derivable from anything else. Rehearse the RECONCILIATION too, not only the loads. The load is the part people practise; the reconciliation is the part that takes longer than anybody expects, because it is where the questions surface. What a rehearsal CANNOT tell you, stated plainly so nobody over-claims. It cannot tell you the data will be the same on the day — a rehearsal runs on a snapshot, and the real cutover runs on data with…
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In this module: Module 9 · Migration strategy and reconciliation
- 1What to migrate, and what to leave behind
- 2Balances versus transactions
- 3The cutover sequence
- 4Reconciliation: proving a migration landedFree preview
- 5Data cleansing, and who owns it
- 6Mapping legacy values to Fusion
- 7Trial loads and the rehearsal nobody schedules
- 8Sub-ledger and general ledger agreement
- 9Signing off: what "done" means
- 10What breaks: the migration that reconciled and was wrong
- 11Lab briefing · Plan and reconcile a migration